Poplar Hills, Kentucky has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9 °C (low) to 19.9 °C (high). Annual precipitation averages 1269.8 Millimeters. Poplar Hills is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -2.9 °C | 6.2 °C | 93.22 mm |
| February | -1.4 °C | 8.8 °C | 91.44 mm |
| March | 2.8 °C | 14.2 °C | 118.87 mm |
| April | 8.4 °C | 20.6 °C | 125.22 mm |
| May | 14 °C | 25.3 °C | 133.86 mm |
| June | 18.6 °C | 29.6 °C | 119.89 mm |
| July | 20.6 °C | 31.4 °C | 106.93 mm |
| August | 19.8 °C | 31.1 °C | 88.14 mm |
| September | 15.8 °C | 27.8 °C | 93.73 mm |
| October | 9.3 °C | 21.5 °C | 96.01 mm |
| November | 3.4 °C | 14.2 °C | 91.95 mm |
| December | -0.6 °C | 8.3 °C | 110.49 mm |
| Annual | 9 °C | 19.9 °C | 1269.75 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |